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FakeStoreAPI vs Postman Echo

Same instrument, two spec sheets — measured, not claimed.

APIFakeStoreAPINEW—Postman EchoNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FakeStoreAPI vs Postman Echo: common questions

Which is more reliable, FakeStoreAPI or Postman Echo?

On our scheduled checks, Postman Echo leads on measured uptime — FakeStoreAPI at —% versus Postman Echo at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do FakeStoreAPI and Postman Echo need an API key?

Neither needs a paid key — FakeStoreAPI is callable with no signup, and Postman Echo is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call FakeStoreAPI and Postman Echo from the browser?

Only FakeStoreAPI is browser-friendly — it returns CORS headers over HTTPS. Postman Echo needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are FakeStoreAPI and Postman Echo free for commercial use?

FakeStoreAPI has unclear commercial terms, and Postman Echo has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.